HEIDENHAIN CNC PILOT 640 User Manual page 82

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Direct contour definition parameters for turning operations:
EC: Type of contour
0: Normal contour
1: Plunging contour
X1, Z1: Start point contour
X2, Z2: End point contour
RC: Rounding – radius of contour corner
AC: Start angle – angle of the first contour element (range: 0°<
AC < 90°)
WC: Final angle – angle of the last contour element (range: 0° <
WC < 90°)
BS: -Chamfer/+radius at start
BS > 0: Radius of rounding arc
BS < 0: Width of chamfer
BE: -Chamfer/+radius at end
BE > 0: Radius of rounding arc
BE < 0: Width of chamfer
BP: Interval time – time span for interruption of the feed
The chip is broken by the (intermittent) interruption of the feed.
BF: Feed period – time interval until the next break
The chip is broken by the (intermittent) interruption of the feed.
Direct contour definition parameters for recessing operations:
X1, Z1: Start point contour
X2, Z2: End point contour
RC: Rounding – radii in the recess base
AC: Start angle – angle of the first contour element (range: 0°<
AC < 90°)
WC: Final angle – angle of the last contour element (range: 0° <
WC < 90°)
BS: -Chamfer/+radius at start
BS > 0: Radius of rounding arc
BS < 0: Width of chamfer
BE: -Chamfer/+radius at end
BE > 0: Radius of rounding arc
BE < 0: Width of chamfer
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smart.Turn units | Units – smart.Turn units
HEIDENHAIN | User's Manual smart.Turn and DIN Programming | 12/2017